The correct match between salts, their formulas, and their uses is as follows:

Some other uses of given salts can be summarised as follows:

Washing soda

•Used in glass, soap and paper industries.

•Used for removing hardness of water.

•Can be used as cleaning agent for domestic purposes.

Gypsum

•Used in cement industry.

•Used for making toys, decorative items.

•Used to support fractured bones.

Blue vitriol

•Being a fungicide, used to control molds and fungus from the places like lawns, gardens and some other wet areas where fungi grows.

Baking soda

•Used in antacids (which neutralise the excess acidity in our stomachs)

•Used in fire extinguishers.